   # Re-arrange the red and blue balls in the check board in such a way that no two balls of same color fall in the same row.

+1 vote
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Re-arrange the red and blue balls in the check board in such a way that no two balls of same color falls in the same row horizontally, vertically or diagonally.  posted Sep 3, 2015

+1 vote answer Sep 4, 2015

B x x R
x R B x
R x x B
x B R x answer Sep 3, 2015 by

B R X X
X X B R
R X X B
X B R X answer Sep 7, 2015 by anonymous

_____ BLUE RED _____

RED _____ _____ BLUE

BLUE _____ _____ RED

____ RED BLUE _____ answer Jul 15, 2017

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